Examples, solutions, videos, activities, and worksheets that are suitable for A Level Maths to help students learn about arithmetic progression and how to find the nth term and the sum of the first n terms.
The following diagrams give an arithmetic progression and the formulas to find the nth term and the sum of the first n terms. Scroll down the page for more examples and solutions.
Arithmetic Progressions : Introduction
In this video tutorial you are introduced to what an arithmetic progression is and how to find the nth term and the sum of the first n terms.
Arithmetic Progressions : Proof of the Sum of n terms
In this tutorial I show you how to prove the formulae for the sum S(n) of the first n terms of an arithmetic progression which is often asked in exams.
Arithmetic Series : C1 Edexcel January 2013 Q7c
7. Sian played an adventure game. She scored points for each dragon that she captured. The number of points that Sian scored for capturing each successive dragon formed an arithmetic sequence. Sian captured n dragons and the total number of points that she scored for capturing all n dragons was 8500. Given that Sian scored 300 points for capturing her first dragon and then 700 points for capturing her nth dragon, (c) find the value of n
How to prove the sum of n terms of an arithmetic series?
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